The besom is also used in differant marrage cerimonies. In one the
bride and groom jump over the besom after they have united as it is a
symbol of fertility, and male joining female.

Laying the besom over the threshold or stood in a corner with the brush
up is said to keep unwanted negative energy out of the home.

The besom is one of the most important tools of a witch for it is used
to cleanse negative energy away. It is used in ritual to clear the
circle of negative energy, and psychic debris. usually a chant will be
said as this is done.